| Seymour to Dixon (California) | 1,925.32 mi (3,098.51 km) |
| Seymour to Dixon (Illinois) | 275.08 mi (442.70 km) |
| Seymour to Dobbs Ferry (New York) | 651.68 mi (1,048.78 km) |
| Seymour to Doctor Phillips (Florida) | 768.03 mi (1,236.03 km) |
| Seymour to Dodge City (Kansas) | 769.03 mi (1,237.63 km) |
| Seymour to Dolton (Illinois) | 205.90 mi (331.37 km) |
| Seymour to Donna (Texas) | 1,130.94 mi (1,820.07 km) |
| Seymour to Dorado (Puerto Rico) | 1,839.60 mi (2,960.55 km) |
| Seymour to Doral (Florida) | 962.58 mi (1,549.12 km) |
| Seymour to Doraville (Georgia) | 359.69 mi (578.86 km) |
| Seymour to Dothan (Alabama) | 533.69 mi (858.88 km) |
| Seymour to Douglas (Arizona) | 1,429.87 mi (2,301.15 km) |
| Seymour to Douglas (Georgia) | 541.85 mi (872.02 km) |
| Seymour to Douglasville (Georgia) | 365.91 mi (588.87 km) |
| Seymour to Dover (Delaware) | 556.34 mi (895.34 km) |
